Abstract
Objectives An association between the renin-angiotensin system and the pathogenesis of pregnancy-induced hypertension has been reported. The prorenin receptor was discovered in 2002, and Wanatabe et al. reported that women with plasma soluble prorenin receptor concentrations above the 75th percentile at delivery had a significantly increased risk of preeclampsia. We evaluated plasma prorenin concentrations during pregnancy, and we assessed the incidence of pregnancy-induced hypertension. Methods We measured plasma prorenin concentrations in 430 pregnant women (565 samples). Regression analysis was performed to determine the associations between the plasma prorenin level and maternal/neonatal complications. Results The plasma prorenin concentration and gestational age had a positive correlation in non-pregnancy-induced hypertension in women with singleton pregnancies (Spearman rank-correlation coefficient, −0.215; p p p = 0.0107). Conclusions The plasma prorenin levels during pregnancy may be adversely correlated with the prorenin receptor, and low prorenin levels during late pregnancy were significantly associated with pregnancy-induced hypertension. Disclosures Y. Mikami: None. T. Narita: None. Y. Takai: None. K. Baba: None. H. Seki: None. K. Matsuoka: None.
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